Updated Spreadsheet with LS Series head flow numbers
Thread Starter
Safety Car
Joined: Oct 2001
Posts: 3,504
Likes: 25
From: Insert Wittty Comment here
Updated Spreadsheet with LS Series head flow numbers
I have updated my cylinder head flow spreadsheet with some new information. I have broken it down by LS1, LS6, 5.3, and 6.0L
If you have flow information for a set of cylinder heads that you'd like to see added, please forward it on. The more information on the heads, flowbench, etc... The better. If there are any features you'd like to see added, please chime in.
http://users3.ev1.net/~black_ops/hea...2009-09-03.htm
If you have flow information for a set of cylinder heads that you'd like to see added, please forward it on. The more information on the heads, flowbench, etc... The better. If there are any features you'd like to see added, please chime in.
http://users3.ev1.net/~black_ops/hea...2009-09-03.htm
Le Mans Master
Joined: Apr 1999
Posts: 7,820
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From: Burlington ON
Cruise-In I, II, III, IV & V Veteran
CI-I & II Auto-X Champ
Re: Updated Spreadsheet with LS Series head flow numbers (kromberg)
Excellent spreadsheet :thumbs: but I definitely wouldn't live by the flow numbers in it being the gospel. Flow numbers vary HUGE from bench to bench, especially if they are different brands of flowbench.
Pro
Joined: Jun 2003
Posts: 702
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From: Castle Rock Co
Re: Updated Spreadsheet with LS Series head flow numbers (MattG)
True that.
Also what exactly is meant by ported? To some bowl blending is porting, and to others adding 15-20% port volume is porting.
80% of flow improvements (on old small chevy heads) came from bowl work.
Also what exactly is meant by ported? To some bowl blending is porting, and to others adding 15-20% port volume is porting.
80% of flow improvements (on old small chevy heads) came from bowl work.
Team Owner
Joined: Apr 2001
Posts: 36,453
Likes: 2
From: Overwhelmed as one would be, placed in my position.... DFW, TX
St. Jude Donor '05
Re: Updated Spreadsheet with LS Series head flow numbers (J-Rod)
From this it looks like the LS1 heads flow better than the LS6 heads? Is that true?
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Thread Starter
Safety Car
Joined: Oct 2001
Posts: 3,504
Likes: 25
From: Insert Wittty Comment here
Re: Updated Spreadsheet with LS Series head flow numbers (kumar75150)
That is one of the reasons I am trying to update the sheet with info from certain vendors. If we can obtain flow numbers which show their benches closely follow one another then hopefully the results from each will be close. That is why I noted all the results I got from Thunder Racing. They have a SuperFlow 1020 which reads lower than a SuperFlow 600. But I have all the stock heads, plus a few ported heads from them. From those I can make apples to apples comparisons.
